Drug test
Impact of age and drug on the duration In this test, a drug was administered to 28 out of the 48 respondents. The age of the respondents and the drug were the independent variables while the participants’ months to death or end of trial or study time was the dependent variable. The observations were recorded for the 48 participants and the data was regressed using the Gretl software. To determine the impact of age and drug on the duration, we analyze the regression output. The measures of interest are the coefficients of the two variables, Z statistics, and the ...